<span>In this case, all the scientists and biologists who are studing an oil spill that go on to predict how much damage has been done to both the ecosystem and the organisms living in it can strengthen the predictions by presenting different perspectives and inferences.</span>
Chromosomal deletion is the loss of genetic code, caused by a segment of chromosome breaking away during DNA replication. The best answer is the third one, "when part of a chromosome breaks off and does not reattach."
The best way to help earth’s water supply last for future generations is to make <span>factories recycle water.</span>